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Year 10 Biology Unit 3 - Moving and changing

In year 9 students will have learnt about how substances move by diffusion.  In this unit they will look at how water moves by osmosis and how active transport is needed in some situations.  The will look at how the complexity of an organism can determine the method of transport needed and what these transport and exchange systems look like.

Students will investigate biological catalysts known as enzymes and use both the lock & key  and collision theory to explain enzyme function.